What color is #536BD3?

#536BD3 is a medium blue. In RGB it is rgb(83, 107, 211), and in HSL hsl(229, 59%, 58%).

Is #536BD3 accessible as text?

On white, #536BD3 has a contrast ratio of 4.76:1 (passes WCAG AA for body text); on black it is 4.41:1 (fails). For text placed on #536BD3, use white for the best readability.

What is the closest Tailwind color to #536BD3?

The nearest Tailwind CSS token is indigo-500 (#615FFF).

What colors go well with #536BD3?

#536BD3 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D3BC55. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #536BD3 below.

Is #536BD3 good for buttons?

#536BD3 works well for buttons and highlights, but use white text on #536BD3 — black text only reaches 4.41:1, below the 4.5:1 needed for normal-size labels.

Is #536BD3 the same as CSS royalblue?

No — #536BD3 is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#536BD3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #536BD3

Not just a swatch — here's how #536BD3 works with other colors. Named schemes with #536BD3 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #536BD3 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Royal Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Tech Product Signal · 5 colors

Signal #536BD3 Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #7892F3

Royal Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Royal Blue.

Vintage Leather Lead · 5 colors

Lead #536BD3 Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #582239

Royal Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Berry & Cream Lead · 5 colors

Lead #536BD3 Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 Secondary #322B2F

Royal Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #536BD3 Secondary #929EC3 Support #9D8F88 Ink #18140F

Royal Blue is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Royal Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #536BD3 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 14/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 46/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 39/100

Low

A faint retro warmth without tipping into sepia.

Luxury 48/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 44/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 96/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 13/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #536BD3

For UI

For branding

For interior

For fashion

People also use #536BD3 with

Lagoon Blue Slate Blue Dark Khaki Gainsboro Gunmetal Gray

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 4.8:1. Use

Subtle surface Use #E0E4F3 for cards and hover fills. Tint 80

Avoid beside #6855D3 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #536BD3 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #536BD3;
  --color-base-rgb: 83 107 211;
  --color-base-oklch: oklch(56.3% 0.162 270.7);
  --color-50: #F2F4FC;
  --color-100: #DEE3F7;
  --color-200: #BEC7EE;
  --color-300: #929FDE;
  --color-400: #687ACA;
  --color-500: #465AAE;
  --color-600: #3C4A86;
  --color-700: #30385F;
  --color-800: #22273F;
  --color-900: #171A27;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  royal-blue: {
    50: '#F2F4FC',
    100: '#DEE3F7',
    200: '#BEC7EE',
    300: '#929FDE',
    400: '#687ACA',
    500: '#465AAE',
    600: '#3C4A86',
    700: '#30385F',
    800: '#22273F',
    900: '#171A27',
  },
}

$base: #536BD3;
$base-ink: #FFFFFF;
$base-50: #F2F4FC;
$base-100: #DEE3F7;
$base-200: #BEC7EE;
$base-300: #929FDE;
$base-400: #687ACA;
$base-500: #465AAE;
$base-600: #3C4A86;
$base-700: #30385F;
$base-800: #22273F;
$base-900: #171A27;
$base-hover: #314ABC;
$base-subtle: #D0D6ED;

{
    "color": {
        "base": {
            "value": "#536BD3",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2F4FC",
                "type": "color"
            },
            "100": {
                "value": "#DEE3F7",
                "type": "color"
            },
            "200": {
                "value": "#BEC7EE",
                "type": "color"
            },
            "300": {
                "value": "#929FDE",
                "type": "color"
            },
            "400": {
                "value": "#687ACA",
                "type": "color"
            },
            "500": {
                "value": "#465AAE",
                "type": "color"
            },
            "600": {
                "value": "#3C4A86",
                "type": "color"
            },
            "700": {
                "value": "#30385F",
                "type": "color"
            },
            "800": {
                "value": "#22273F",
                "type": "color"
            },
            "900": {
                "value": "#171A27",
                "type": "color"
            }
        }
    }
}

Palettes built on #536BD3

Color Lab

Pairs with #536BD3

UI roles & guardrails

In real applications

Scales

Every model

Export